espressif/binutils-gdb
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This commit is contained in:
Steve Chamberlain
1992-01-24 02:37:13 +00:00
parent 8174b2afcf
commit 400943fbac
3 changed files with 50 additions and 20 deletions
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2
gdb/.Sanitize
View File

@ -89,7 +89,6 @@ gmalloc.h
gould-pinsn.c gould-pinsn.c
gould-xdep.c gould-xdep.c
h8300-tdep.c h8300-tdep.c
hds-tdep.c
hp300ux-xdep.c hp300ux-xdep.c
i386-pinsn.c i386-pinsn.c
i386-stub.c i386-stub.c
@ -150,6 +149,7 @@ regex.h
rem-multi.shar rem-multi.shar
remote-adapt.c remote-adapt.c
remote-eb.c remote-eb.c
remote-hds.c
remote-mm.c remote-mm.c
remote-nindy.c remote-nindy.c
remote-vx.c remote-vx.c

63
gdb/h8300-tdep.c
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@ -1,10 +1,30 @@
#include <stdio.h>
#include "defs.h"
/* an easy to debug H8 stack frame looks like:
0x6df2 push r2
0x6df3 push r3
0x6df6 push r6
0x mov.w r7,r6
subs stuff,sp mov.w #x,r5
subs r5,sp
*/
#define IS_PUSH(x) ((x & 0xff00)==0x6d00)
CORE_ADDR h8300_skip_prologue(start_pc)
CORE_ADDR start_pc;
h8300_skip_prologue()
{ {
/* Skip past all push insns */
short int w;
printf("skip prologue\n"); w = read_memory_integer(start_pc, 2);
while (IS_PUSH(w))
abort(); {
start_pc+=2;
w = read_memory_integer(start_pc, 2);
}
return start_pc;
} }
@ -14,19 +34,26 @@ h8300_pop_frame()
} }
print_insn() int
print_insn(memaddr, stream)
CORE_ADDR memaddr;
FILE *stream;
{ {
printf("print insn\n"); /* Nothing is bigger than 8 bytes */
char data[8];
read_memory (memaddr, data, sizeof(data));
return print_insn_h8300(memaddr, data , stream);
} }
FRAME_CHAIN() FRAME_CHAIN()
{ {
printf("Frame chain\n"); printf("Frame chain\n");
} }

5
gdb/tm-h8300.h
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@ -90,7 +90,7 @@ read_memory_integer (read_register (SP_REGNUM), 2)
/* Say how long registers are. */ /* Say how long registers are. */
#define REGISTER_TYPE short #define REGISTER_TYPE unsigned short
# define NUM_REGS 10 # define NUM_REGS 10
# define REGISTER_BYTES (10*2) # define REGISTER_BYTES (10*2)
@ -262,3 +262,6 @@ read_memory_integer (read_register (SP_REGNUM), 2)
#define POP_FRAME { h8300_pop_frame (); } #define POP_FRAME { h8300_pop_frame (); }
#define BEFORE_MAIN_LOOP_HOOK \
hms_before_main_loop();